.page-about {
  --about-bg-deep: #0A2A20;
  --about-text-soft: #D8DEDA;
  overflow-x: hidden;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-display);
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--c-text);
}

.page-about .section {
  padding: var(--section-pad) 0;
}

.page-about .section-head {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 2rem;
}

.page-about .section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  bottom: 0.15rem;
  width: 4px;
  background: var(--c-accent);
  clip-path: polygon(0 0, 100% 0, 60% 100%, 0 100%);
}

.page-about .kicker {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.page-about .section-head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.12;
}

.page-about .data-num-lg {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  line-height: 1;
  color: var(--c-accent);
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.2rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-muted);
}

.page-about .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: var(--c-accent);
}

.page-about .breadcrumb-sep {
  color: var(--c-accent);
  opacity: 0.7;
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--c-text);
}

.page-about .about-hero {
  position: relative;
  padding: 2rem 0 3rem;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0%, transparent 44%, rgba(11, 61, 46, 0.75) 44%, rgba(11, 61, 46, 0.35) 72%, transparent 78%),
    linear-gradient(180deg, rgba(255, 122, 26, 0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1;
  margin: 0.8rem 0 1.2rem;
}

.page-about .about-h1-sub {
  display: block;
  color: var(--c-accent);
  font-size: 0.55em;
  line-height: 1.15;
  margin-top: 0.7rem;
  max-width: 18em;
}

.page-about .about-hero-lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--about-text-soft);
  max-width: 40rem;
  margin: 0;
}

.page-about .about-hero-points {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-about .about-hero-points li {
  border-left: 2px solid var(--c-accent);
  padding: 0.35rem 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-muted);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .btn {
  font-family: var(--font-display);
  font-style: italic;
  text-transform: uppercase;
}

.page-about .about-hero-figure {
  position: relative;
  margin: 0;
}

.page-about .about-hero-figure::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  bottom: 10px;
  left: 10px;
  border: 1px solid var(--c-accent);
  clip-path: polygon(0 12%, 88% 0, 100% 100%, 12% 88%);
  z-index: 0;
}

.page-about .about-hero-figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.85) contrast(1.08);
  clip-path: polygon(2% 4%, 96% 0, 100% 96%, 4% 100%);
}

.page-about .about-hero-figcap {
  padding: 0.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-align: right;
}

.page-about .about-origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-origin-copy {
  max-width: 60ch;
}

.page-about .about-origin-copy p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 1rem 0;
}

.page-about .about-origin-side {
  background: linear-gradient(145deg, var(--c-primary), var(--about-bg-deep));
  clip-path: polygon(0 0, 100% 4%, 96% 100%, 4% 96%);
  padding: 2rem;
  display: grid;
  gap: 1.2rem;
  align-content: start;
}

.page-about .about-origin-stat {
  display: grid;
  gap: 0.3rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
  padding-bottom: 1rem;
}

.page-about .about-stat-label {
  color: var(--c-muted);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
}

.page-about .about-origin-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-about .about-origin-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-text);
  font-size: 0.95rem;
}

.page-about .about-origin-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--c-accent);
  transform: rotate(45deg);
}

.page-about .about-library-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-about .about-library-copy p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 1rem 0;
}

.page-about .about-library-copy strong {
  color: var(--c-accent);
  font-weight: 700;
}

.page-about .about-library-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-metric {
  position: relative;
  background: var(--c-primary);
  border-top: 3px solid var(--c-accent);
  padding: 1.4rem 1.2rem;
  display: grid;
  gap: 0.4rem;
}

.page-about .about-metric::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 2rem;
  height: 2rem;
  background: var(--c-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.12;
}

.page-about .about-metric-num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
}

.page-about .about-metric-label {
  color: var(--c-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.page-about .about-library-figure {
  position: relative;
  margin: 0;
}

.page-about .about-library-figure::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 62%;
  height: 62%;
  border: 1px solid var(--c-accent);
  opacity: 0.4;
  z-index: 0;
  clip-path: polygon(0 0, 100% 0, 82% 100%, 0 82%);
}

.page-about .about-library-figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 8%, 94% 100%, 6% 92%);
}

.page-about .about-library-figcap {
  padding-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-about .about-column {
  padding: var(--section-pad) 0;
  background: linear-gradient(180deg, transparent, rgba(11, 61, 46, 0.22) 12%, transparent 100%);
}

.page-about .about-column-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-column-copy p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 1rem 0;
}

.page-about .about-column-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-about .about-column-list li {
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid var(--c-accent);
  color: var(--c-text);
  font-size: 0.95rem;
}

.page-about .about-column-feature {
  background: var(--c-primary);
  clip-path: polygon(0 0, 100% 8%, 94% 100%, 6% 92%);
  padding: 2rem;
  display: grid;
  gap: 0.5rem;
  align-content: start;
  border-bottom: 3px solid var(--c-accent);
}

.page-about .about-column-feat-num {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
}

.page-about .about-column-feat-unit {
  color: var(--c-muted);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .about-column-feature p {
  color: var(--c-muted);
  line-height: 1.7;
  margin: 0.8rem 0 1.2rem;
}

.page-about .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--c-accent);
  font-family: var(--font-display);
  font-style: italic;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.06em;
}

.page-about .arrow-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.page-about .arrow-link:hover::after {
  transform: translateX(4px);
}

.page-about .about-realtime-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .about-realtime-clock {
  position: relative;
  width: min(240px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, var(--c-accent) 0deg 5deg, transparent 5deg 28deg);
  display: grid;
  place-items: center;
  margin: 0 auto;
}

.page-about .about-realtime-clock::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--c-accent);
  border-radius: 50%;
  z-index: 2;
  bottom: 50%;
  left: 50%;
  transform: translate(-50%, 50%);
  box-shadow: 0 0 0 5px rgba(255, 122, 26, 0.14);
}

.page-about .about-realtime-clock::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 44%;
  background: var(--c-accent);
  z-index: 1;
  bottom: 50%;
  left: 50%;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(42deg);
  border-radius: 3px;
  box-shadow: 0 0 8px rgba(255, 122, 26, 0.35);
}

.page-about .about-realtime-clock-inner {
  position: relative;
  z-index: 3;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid rgba(255, 122, 26, 0.5);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
}

.page-about .about-realtime-clock-num {
  font-family: var(--font-mono);
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  display: block;
}

.page-about .about-realtime-clock-label {
  font-size: 0.8rem;
  color: var(--c-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.5;
  display: block;
  margin-top: 0.3rem;
}

.page-about .about-realtime-copy h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  margin: 0.8rem 0 1rem;
}

.page-about .about-realtime-copy p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 0.8rem 0;
}

.page-about .about-realtime-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .about-realtime-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-accent);
  color: var(--about-text-soft);
  font-size: 0.95rem;
}

.page-about .about-realtime-list strong {
  font-family: var(--font-mono);
  color: var(--c-accent);
  font-size: 1rem;
}

.page-about .about-timeline-svg {
  display: none;
  width: 100%;
  height: auto;
  margin-bottom: -2rem;
}

.page-about .about-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 2rem;
}

.page-about .about-timeline-list::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 60px;
  bottom: 60px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-accent), var(--c-border) 60%);
}

.page-about .about-milestone {
  position: relative;
  padding-left: 64px;
}

.page-about .about-milestone-badge {
  position: absolute;
  left: 0;
  top: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  color: var(--c-accent);
  font-weight: 700;
  font-size: 0.95rem;
}

.page-about .about-milestone-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--c-primary);
  border: 2px solid var(--c-accent);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-about .about-milestone h3 {
  font-size: 1.25rem;
  margin: 0 0 0.4rem;
}

.page-about .about-milestone-detail {
  margin-top: 0.5rem;
}

.page-about .about-milestone-detail summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.page-about .about-milestone-detail summary::-webkit-details-marker {
  display: none;
}

.page-about .about-milestone-detail summary::before {
  content: "▸";
  display: inline-block;
  transition: transform 0.2s ease;
}

.page-about .about-milestone-detail[open] summary::before {
  transform: rotate(90deg);
}

.page-about .about-milestone-detail .about-milestone-body {
  margin-top: 0.6rem;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-about .about-milestone-detail p {
  margin: 0;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-team-intro {
  max-width: 62ch;
}

.page-about .about-team-intro p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 0.8rem 0;
}

.page-about .about-team-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .about-team-card {
  margin: 0;
  background: linear-gradient(160deg, var(--c-primary), transparent 85%);
  border: 1px solid var(--c-border);
  padding: 1.2rem 1.4rem;
}

.page-about .about-team-card summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-style: italic;
  text-transform: uppercase;
  font-size: 1.1rem;
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-about .about-team-card summary::-webkit-details-marker {
  display: none;
}

.page-about .about-team-card summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--c-accent);
  font-size: 1.4rem;
  line-height: 1;
}

.page-about .about-team-card[open] summary::after {
  content: "–";
}

.page-about .about-team-card-body {
  padding-top: 0.8rem;
  border-top: 1px dashed var(--c-border);
  margin-top: 0.8rem;
}

.page-about .about-team-card-body p {
  margin: 0;
  color: var(--c-muted);
  line-height: 1.7;
}

.page-about .about-team-honors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.page-about .about-team-honors .tag {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-about .about-region {
  margin-top: 2rem;
}

.page-about .about-region-figure {
  position: relative;
  margin: 0;
}

.page-about .about-region-figure img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05) brightness(0.9);
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 100%);
}

.page-about .about-region-figcap {
  position: absolute;
  left: 1rem;
  bottom: 0.6rem;
  background: rgba(10, 20, 17, 0.65);
  padding: 0.3rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-about .about-region-panel {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--about-bg-deep) 100%);
  clip-path: polygon(0 3rem, 100% 0, 100% 100%, 0 100%);
  padding: 5rem 1rem 2.5rem;
  margin-top: -3rem;
}

.page-about .about-region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-region-copy p {
  color: var(--about-text-soft);
  line-height: 1.8;
  margin: 0.8rem 0;
}

.page-about .about-region-copy h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.14;
}

.page-about .about-region-contact h3 {
  margin: 0 0 1rem;
}

.page-about .about-region-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .about-region-contact .contact-item {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 0.8rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
  padding-bottom: 0.6rem;
  font-size: 0.95rem;
}

.page-about .about-region-contact .contact-label {
  color: var(--c-muted);
  letter-spacing: 0.08em;
}

.page-about .about-region-contact .contact-value {
  color: var(--c-text);
  font-family: var(--font-mono);
  word-break: break-all;
}

.page-about .about-region-note {
  margin: 1rem 0 1.5rem;
  font-size: 0.875rem;
  color: var(--c-muted);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 4.5rem 0 4rem;
  }

  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 3rem;
  }

  .page-about .about-origin-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: 3rem;
  }

  .page-about .about-library-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 3rem;
    row-gap: 2rem;
  }

  .page-about .about-library-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-library-metrics {
    grid-column: 1;
    grid-row: 2;
    grid-template-columns: repeat(3, 1fr);
    align-self: start;
  }

  .page-about .about-library-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-about .about-column-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 4rem;
  }

  .page-about .about-realtime-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
  }

  .page-about .about-timeline-svg {
    display: block;
  }

  .page-about .about-timeline-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.5rem;
    padding-top: 2rem;
  }

  .page-about .about-timeline-list::before {
    display: none;
  }

  .page-about .about-milestone {
    padding-left: 0;
  }

  .page-about .about-milestone-badge {
    position: relative;
    top: auto;
    left: auto;
    margin-bottom: 1rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-about .about-team-intro {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-about .about-team-cards {
    grid-column: 2;
    grid-template-columns: repeat(3, 1fr);
    align-content: start;
  }

  .page-about .about-team-honors {
    grid-column: 2;
  }

  .page-about .about-region-figure img {
    height: 420px;
  }

  .page-about .about-region-panel {
    padding-inline: 2rem;
  }

  .page-about .about-region-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 4rem;
  }
}